Now that I open the pandora box.... Is there any reason to have use_dma, use_msi, enable_suspend and full_speed as parameters? I might as well remove them. Regards! On Tue, Nov 25, 2014 at 6:10 PM, Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx> wrote: > Hello > > On Tue, Nov 25, 2014 at 6:05 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: >> On Tue, 25 Nov 2014, Ricardo Ribalda Delgado wrote: >> >>> Hello Alan >>> >>> Could you test if the parameter dma_chaining works on your board with >>> the current kernel? >>> >>> #on the target >>> modprobe net2280 use_dma_chaining=1 #(it it is already loaded, rmmod) >>> dd if=/dev/zero of=/tmp/mem bs=256M count=1 >>> modprobe g_mass_storage file=/tmp/mem >>> >>> #on the host >>> #Check if /dev/sdX has apperared >>> dd if=/dev/sdX of=/dev/null >> >> It doesn't even come close to working. The system grinds to a halt >> when the UDC fails to send the third bulk-out packet. The first two >> packets get sent okay. > > Exactly the same that I am experiencing. I am preparing a patch that > removes the option, does some dma cleanout and then add support for > sg. > > I might ask you to test it in the future :) > > Thanks for your help! > >> >> Alan Stern >> > > > > -- > Ricardo Ribalda -- Ricardo Ribalda -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
